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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/type/Stamp.java @ 5507:dc71b06d09f8

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Moving classes from cri.ri to api.meta.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Jun 2012 18:24:06 +0200
parents 452f91ebdb54
children a891c53a295b
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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4ed4295ce15f Update import statements.
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23 package com.oracle.graal.nodes.type;
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25 import com.oracle.graal.api.meta.*;
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26 import com.oracle.graal.nodes.spi.types.*;
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28
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29 public abstract class Stamp {
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30
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31 private final RiKind kind;
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32
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33 protected Stamp(RiKind kind) {
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34 this.kind = kind;
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35 }
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36
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37 public RiKind kind() {
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38 return kind;
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39 }
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40
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41 public ScalarTypeQuery scalarType() {
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42 return null;
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43 }
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44
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45 public ObjectTypeQuery objectType() {
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46 return null;
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47 }
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48
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49 public boolean nonNull() {
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50 return false;
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51 }
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52
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53 public RiResolvedType exactType() {
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54 return null;
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55 }
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56
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57 public RiResolvedType declaredType() {
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58 return null;
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59 }
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60
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61 public abstract boolean alwaysDistinct(Stamp other);
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62
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63 public abstract Stamp meet(Stamp other);
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64 }